Cisco Catalyst 3650 Series - Collect Transport Tcp Flags

collect transport tcp flags
To enable the collecting of transport TCP flags from a flow, use the collect transport tcp flags command in
flow record configuration mode. To disable the collecting of transport TCP flags from the flow, use the no
form of this command.
collect transport tcp flags
no collect transport tcp flags
Syntax Description
This command has no arguments or keywords.
Command Default
The transport layer fields are not configured as a non-key field.
Command Modes
Flow record configuration
Command History
ModificationRelease
This command was introduced.Cisco IOS XE 3.3SE
Usage Guidelines
The values of the transport layer fields are taken from all packets in the flow. You cannot specify which TCP
flag to collect. You can only specify to collect transport TCP flags. All TCP flags will be collected with this
command. The following transport TCP flags are collected:
•
ack—TCP acknowledgement flag
•
cwr—TCP congestion window reduced flag
•
ece—TCP ECN echo flag
•
fin—TCP finish flag
•
psh—TCP push flag
•
rst—TCP reset flag
•
syn—TCP synchronize flag
•
urg—TCP urgent flag
To return this command to its default settings, use the no collect collect transport tcp flags or default collect
collect transport tcp flags flow record configuration command.
Examples
The following example collects the TCP flags from a flow:
Device(config)# flow record FLOW-RECORD-1
Device(config-flow-record)# collect transport tcp flags
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
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collect transport tcp flags